Alert archive / Florida / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 18, NWS Melbourne, FL

June 1, 2002Orange County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Jun 1, 2002, 6:43 PM EDT for Orange County, Florida. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 1, 2002, 6:43 PM EDT (22:43 UTC)
Expired
Jun 1, 2002, 7:15 PM EDT
In force
32 min
Issued by
NWS Melbourne, FL
Area
Whole counties

County Orange County, FL

The radar

The Melbourne radar (KMLB), 79 km from the middle of the area, began a volume at 22:42 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 10.7 hours before the alert went out and 81 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Cape Canaveral, FL at 12:00Z on 2002-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1286 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cape Canaveral, FL at 12:00Z on 2002-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1286 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
687 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
13 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

705 
WUUS52 KMLB 012243
SVRMLB
FLC095-012315-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
641 PM EDT SAT JUN 1 2002

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL ORANGE COUNTY
  IN EAST CENTRAL FLORIDA

* UNTIL 715 PM EDT.

* AT 632 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM NEAR CONWAY...MOVING SOUTH AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  NEAR ORLANDO INTERNATIONAL AIRPORT AT 655 PM EDT

THIS STORM HAS HAD A HISTORY OF PRODUCING HAIL TO ONE INCH DIAMETER 
AND WINDS GUSTING TO 45 TO 50 MPH. IF YOU ARE IN ITS PATH...PUT YOUR 
CAR IN A GARAGE AND MOVE TO A STURDY BUILDING AWAY FROM WINDOWS.

$$

LAT...LON 2846 8123 2835 8124 2835 8147 2852 8143
          2859 8142 2857 8122

MJG

The office that day

Everything else NWS Melbourne, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 1, 5:46 PM EDTSevere Thunderstorm WarningMLBSeminole29 min
Jun 1, 6:12 PM EDTSevere Thunderstorm WarningMLBOrange33 min
Jun 1, 6:56 PM EDTSevere Thunderstorm WarningMLBOsceola49 min
Jun 1, 7:09 PM EDTSevere Thunderstorm WarningMLBOsceola36 min

Nearby

Severe Thunderstorm Warnings in Florida, 2002Every severe thunderstorm warning in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.